=== HTTP code : 200 ===

HTTP/1.1 200 OK
Server: nginx/1.4.6 (Ubuntu)
Date: Wed, 08 Apr 2015 02:59:55 GMT
Content-Type: application/pdf
Content-Length: 327589
Last-Modified: Wed, 10 Sep 2014 16:11:41 GMT
Connection: close
ETag: "5410783d-4ffa5"
Accept-Ranges: bytes


Link is valid.